/* ==============================================
   MAIN STYLESHEET - Generated from SCSS
   ============================================== */

/* VARIABLES & COLOR SYSTEM */
:root {
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-secondary: #ec4899;
  --color-success: #10b981;
  --color-error: #ef4444;
  --bg-dark: #0f172a;
  --bg-light: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & BASE STYLES */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #1e293b;
  background-color: #f8fafc;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #0f172a;
    color: #f1f5f9;
  }
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: #1e293b;
  margin-bottom: 1rem;
}

@media (prefers-color-scheme: dark) {
  h1, h2, h3, h4, h5, h6 {
    color: #f1f5f9;
  }
}

h1 { font-size: 3.75rem; }
@media (min-width: 640px) { h1 { font-size: 3rem; } }
@media (min-width: 768px) { h1 { font-size: 3.75rem; } }

h2 { font-size: 3rem; }
@media (min-width: 640px) { h2 { font-size: 2.25rem; } }
@media (min-width: 768px) { h2 { font-size: 3rem; } }

h3 { font-size: 2.25rem; }
@media (min-width: 640px) { h3 { font-size: 1.875rem; } }

h4 { font-size: 1.875rem; }
@media (min-width: 640px) { h4 { font-size: 1.5rem; } }

h5 { font-size: 1.5rem; }
h6 { font-size: 1.25rem; }

p {
  margin-bottom: 1.5rem;
  line-height: 1.75;
  color: #4b5563;
}

@media (prefers-color-scheme: dark) {
  p {
    color: #d1d5db;
  }
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: #6366f1;
  text-decoration: none;
  transition: color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
  color: #4f46e5;
}

@media (prefers-color-scheme: dark) {
  a:hover {
    color: #818cf8;
  }
}

/* LISTS */
ul, ol {
  list-style: none;
}

li {
  margin-bottom: 0.75rem;
}

/* IMAGES */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

picture {
  display: block;
}

/* FORM ELEMENTS */
input, textarea, select, button {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

input::placeholder, textarea::placeholder {
  color: #9ca3af;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-weight: 500;
}

/* SCROLLBAR */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #f3f4f6;
}

@media (prefers-color-scheme: dark) {
  ::-webkit-scrollbar-track {
    background: #111827;
  }
}

::-webkit-scrollbar-thumb {
  background: #9ca3af;
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

/* SELECTION */
::selection {
  background-color: #6366f1;
  color: white;
}

::-moz-selection {
  background-color: #6366f1;
  color: white;
}

/* ANIMATIONS KEYFRAMES */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-30px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(30px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes scaleUp {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.6); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% { transform: scale(0.8); opacity: 0; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes wobble {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.1); }
  50% { transform: scale(1); }
}

/* HEADER */
.header {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 102;
  transition: var(--transition-normal);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

@media (prefers-color-scheme: dark) {
  .header {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  }
}

.header.active {
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

@media (min-width: 768px) {
  .header-container {
    padding-left: 2rem;
    padding-right: 2rem;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }
}

.logo {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #6366f1;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
  color: #4f46e5;
  transform: scale(1.05);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
}

@media (max-width: 639px) {
  .nav {
    display: none;
  }
}

.nav-link {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: #1e293b;
  position: relative;
  transition: color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  .nav-link {
    color: #f1f5f9;
  }
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #6366f1;
  transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover, .nav-link.active {
  color: #6366f1;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 0.25rem;
}

@media (max-width: 639px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: #1e293b;
  border-radius: 9999px;
  transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  .mobile-menu-toggle span {
    background-color: #f1f5f9;
  }
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* FOOTER */
.footer {
  background-color: #111827;
  color: #f1f5f9;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (prefers-color-scheme: dark) {
  .footer {
    background-color: #000;
  }
}

.footer-container {
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .footer-container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }
}

.footer-section h4 {
  color: white;
  margin-bottom: 1.5rem;
}

.footer-link {
  display: block;
  color: #d1d5db;
  margin-bottom: 0.75rem;
  transition: color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-link:hover {
  color: #6366f1;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-copyright {
  color: #9ca3af;
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #1f2937;
  border-radius: 9999px;
  color: white;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover {
  background-color: #6366f1;
  transform: translateY(-4px);
}

/* CARDS */
.card {
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  border-radius: 1rem;
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(99, 102, 241, 0.1);
  position: relative;
}

@media (prefers-color-scheme: dark) {
  .card {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
  }
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(99, 102, 241, 0.03) 2px,
      rgba(99, 102, 241, 0.03) 4px
    );
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
}

.card:hover::before {
  opacity: 1;
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

@media (prefers-color-scheme: dark) {
  .card-header {
    border-color: #334155;
  }
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid #e2e8f0;
  background-color: #f9fafb;
}

@media (prefers-color-scheme: dark) {
  .card-footer {
    border-color: #334155;
    background-color: #111827;
  }
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.primary {
  background-color: #6366f1;
  color: white;
}

.badge.secondary {
  background-color: #ec4899;
  color: white;
}

.badge.success {
  background-color: #10b981;
  color: white;
}

.badge.warning {
  background-color: #f59e0b;
  color: white;
}

.badge.error {
  background-color: #ef4444;
  color: white;
}

/* UTILITIES */
.container {
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
  max-width: 1140px;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.text-center { text-align: center; }
.text-primary { color: #6366f1; }
.font-bold { font-weight: 700; }
.mt-4 { margin-top: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.w-full { width: 100%; }

.animate-fade {
  animation: fadeIn 500ms cubic-bezier(0, 0, 0.2, 1) forwards;
}

.animate-slide-up {
  animation: slideInUp 500ms cubic-bezier(0, 0, 0.2, 1) forwards;
}

.animate-slide-down {
  animation: slideInDown 500ms cubic-bezier(0, 0, 0.2, 1) forwards;
}

.transition-all {
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hidden { display: none !important; }

/* SECTIONS & SPACING */
.section {
  padding: 6rem 1rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 1rem;
  }
}

.section.light {
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.5) 0%, rgba(241, 245, 249, 0.5) 100%);
}

@media (prefers-color-scheme: dark) {
  .section.light {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.5) 0%, rgba(30, 41, 59, 0.5) 100%);
  }
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 1.5rem;
  margin-bottom: 1rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  animation: slideDown var(--transition-slow);
}

.section-title p {
  color: #6b7280;
  font-size: 1.1rem;
  margin-top: 1rem;
}

@media (prefers-color-scheme: dark) {
  .section-title p {
    color: #9ca3af;
  }
}

/* GRID LAYOUTS */
.grid {
  display: grid;
  gap: 2rem;
}

@media (max-width: 640px) {
  .grid {
    gap: 1.5rem;
  }
}

.grid.cols-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid.cols-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid.cols-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-12 { margin-bottom: 3rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left var(--transition-fast);
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* SCROLLING ANIMATIONS */
.scroll-animate {
  opacity: 0;
  animation: none;
}

.scroll-animate.animate {
  animation: slideInUp var(--transition-normal) forwards;
}

.scroll-animate[data-animate="slide-up"] {
  animation: slideInUp var(--transition-normal) forwards;
}

.scroll-animate[data-animate="slide-down"] {
  animation: slideInDown var(--transition-normal) forwards;
}

.scroll-animate[data-animate="scale"] {
  animation: scaleUp var(--transition-normal) forwards;
}

.scroll-animate[data-animate="fade"] {
  animation: fadeIn var(--transition-normal) forwards;
}

/* ADVANCED ANIMATIONS */
.animate-heartbeat {
  animation: heartbeat var(--transition-normal) ease-in-out;
}

.animate-wobble {
  animation: wobble var(--transition-normal);
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 3s ease-in-out infinite;
}

.animate-bounce {
  animation: bounceIn var(--transition-normal);
}

/* STATS COUNTER STYLING */
.stat-card {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border-radius: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-family: 'Poppins', 'Inter', sans-serif;
}

@media (prefers-color-scheme: dark) {
  .stat-number {
    color: #818cf8;
  }
}

.stat-label {
  color: #6b7280;
  font-size: 1rem;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .stat-label {
    color: #9ca3af;
  }
}

/* TESTIMONIAL STYLING */
.testimonial {
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  border-radius: 1rem;
  padding: 2rem;
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

@media (prefers-color-scheme: dark) {
  .testimonial {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  }
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #374151;
  font-style: italic;
}

@media (prefers-color-scheme: dark) {
  .testimonial-text {
    color: #d1d5db;
  }
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: 0.875rem;
  color: #6b7280;
}

/* FEATURE BOXES */
.feature-box {
  padding: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
  border-radius: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition-normal);
  position: relative;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 1rem 1rem 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-box:hover::before {
  transform: scaleX(1);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: 1rem;
  transition: var(--transition-normal);
}

.feature-box:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

/* TIMELINE */
.timeline-item {
  padding-left: 3rem;
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: 0 0 0 3px var(--color-primary);
}

@media (prefers-color-scheme: dark) {
  .timeline-item::before {
    border-color: #0f172a;
    box-shadow: 0 0 0 3px var(--color-primary);
  }
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 9px;
  top: 20px;
  bottom: -2rem;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), rgba(99, 102, 241, 0.2));
}

.timeline-item:last-child::after {
  display: none;
}

.timeline-content h3 {
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.timeline-date {
  font-size: 0.875rem;
  color: #6b7280;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .timeline-date {
    color: #9ca3af;
  }
}

/* HERO SECTION ENHANCEMENTS */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-title {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  animation: slideInUp var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
}

.hero-subtitle {
  color: #6b7280;
  animation: slideInUp var(--transition-slow) 200ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@media (prefers-color-scheme: dark) {
  .hero-subtitle {
    color: #d1d5db;
  }
}

/* RESPONSIVE FOOTER */
.footer-content {
  margin-bottom: 3rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  transition: var(--transition-normal);
}

.social-links a:hover {
  background: var(--color-primary);
  transform: translateY(-4px);
}

/* Desktop */
.nav-menu {
  display: flex;
  gap: 20px;
}

/* Mobile styles */
@media (max-width: 768px) {
  .nav-menu {
    position: absolute;
    top: 70px;
    right: 0;
    width: 100%;
    background: #eb58a1;
    flex-direction: column;
    align-items: center;
    gap: 0;

    /* hidden by default */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-menu.active {
    max-height: 500px; /* enough for all links */
  }

  .nav-link {
    padding: 15px 0;
    width: 100%;
    text-align: center;
  }
}